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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/04/10 17:13:23 UTC

[GitHub] [spark] gengliangwang opened a new pull request #24338: [SPARK-27435][SQL] Support schema pruning in file source V2

gengliangwang opened a new pull request #24338: [SPARK-27435][SQL] Support schema pruning in file source V2
URL: https://github.com/apache/spark/pull/24338
 
 
   ## What changes were proposed in this pull request?
   
   Currently, the optimization rule `SchemaPruning` only works for Parquet/Orc V1.
   We should have the same optimization in file source V2.
   
   ## How was this patch tested?
   
   Unit test
   

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